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alekssr [168]
3 years ago
5

What is the value of y when x=7?

Mathematics
2 answers:
Gwar [14]3 years ago
5 0
The value of y would be 60

The way you would solve this is by plugging in 7 for x.
After you plug in the 7 for x you would have to multiply 7 by 4 to get 28.
Next you would add 28 to 32 to get 60.
Your final answer should be y=60
Ksju [112]3 years ago
4 0
Y = 4x + 32                                       1. write the equation
y = 4(7) + 32                                     2. plug in missing numbers
y = 28 + 32                                       3. multiply 4 and 7
y = 60                                               4. add 28 and 32 to get final answer

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Anyone know the area of the blue area?
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3 years ago
Sophie drew a scale drawing of a house and its lot. The back patio is 3 centimeters wide in the drawing. The actual patio is 18
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Step-by-step explanation: Sorry If I'm wrong, I haven't learned this yet but I tried my best.

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3 years ago
A coin collector has $45 in just dimes and quarters in a piggy bank he counted all the coins and there are 240 total how many ea
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Answer:

The number of <u>dimes are 100</u> and number of <u>quarters are 140.</u>

Step-by-step explanation:

Let the number of dimes be 'd' and quarters be 'q'.

Given:

The sum of amount is $45.

The total number of coins are 240.

1 dime = $0.10

∴ 'd' dimes = \$0.10d

1 quarter = $0.25

∴ 'q' quarters = \$0.25q

Now, as per question:

d+m=240-----1\\0.1d+0.25q=45---2

Multiplying equation (1) by -0.1 and adding the result to equation (2), we get:

-0.1d-0.1q=240\times -0.1\\-0.1d-0.1q=-24\\0.1d+0.25q=45\\-----------\\0.15q=21\\q=\frac{21}{0.15}=140\\\\d=240-q=240-140=100

Therefore, the number of dimes are 100 and number of quarters are 140.

7 0
3 years ago
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